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DC Generators

DC Generators
A triplex wave winding will have parallel paths.

2
6
4
None of the listed here

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DC Generators
The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except

Armature resistance drop
Commutation
Armature reaction
Field weakening due to armature reaction and armature

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DC Generators
The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage

May be greater or less than 250 V
Will be less than 250 V
None of these
Will always be 250 V

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DC Generators
In a short shunt compound wound generator, the shunt field is connected in parallel with

Armature
Series combination of armature and series field
Series field
Parallel combination of armature and series field

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DC Generators
The number of brushes in a commutator depends on

Voltage
Amount of current to be collected
Speed of armature
Type of winding

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DC Generators
The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator.

More than
None of the listed here
Less than
About the same as

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